From tactical drills to target practice, the CO2 powered SIG MCX Air Rifle delivers 30 rounds of rapid-firing, simulated SIG MCX performance and handling for more realistic, economical training and practice – any time, any place. Chambered in .177 pellet, features include, 18 rifled steel barrel, synthetic handguard, picatinny rail, tactical front grip and 1-4×24 scope and mounts.